<?php

	class WebUtils {
		
		function get_base_url() {
	        /* First we need to get the protocol the website is using */
	        $protocol = strtolower(substr($_SERVER["SERVER_PROTOCOL"], 0, 5)) == 'https' ? 'https://' : 'http://';
	
	        /* returns /myproject/index.php */
	        $path = $_SERVER['PHP_SELF'];
	
	        /*
	         * returns an array with:
	         * Array (
	         *  [dirname] => /myproject/
	         *  [basename] => index.php
	         *  [extension] => php
	         *  [filename] => index
	         * )
	         */
	        $path_parts = pathinfo($path);
	        $directory = $path_parts['dirname'];
	        /*
	         * If we are visiting a page off the base URL, the dirname would just be a "/",
	         * If it is, we would want to remove this
	         */
	        $directory = ($directory == "/") ? "" : $directory;
	
	        /* Returns localhost OR mysite.com */
	        $host = $_SERVER['HTTP_HOST'];
	
	        /*
	         * Returns:
	         * http://localhost/mysite
	         * OR
	         * https://mysite.com
	         */
	        return $protocol . $host . $directory;
	    }
	}